#include<iostream> using namespace std; int main() { int i,j,k,count=0; cout<<"一块钱能换:"<<endl; for(i=0;i<=20;i++) { for(j=0;j<=50;j++) { for(k=0;k<=100;k++) { if(i*5+j*2+k==100) { count++; cout<<i<<"个五分的"<<j<<"个二分的"<<k<<"个一分的。"<<endl; } } } } cout<<"共有:"<<count<<"种"<<endl; return 0; }